[1] Wageningen Univ & Res, Dev Econ Grp, NL-6706 KN Wageningen, Netherlands
[2] Zhejiang Rural Revitalizat Res Inst, Hangzhou 311300, Peoples R China
[3] Zhejiang A&F Univ, Coll Econ & Management, Hangzhou 311300, Peoples R China
[4] Huazhong Agr Univ, Coll Econ & Management, Wuhan 430070, Peoples R China